<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>combotree</title>
    <link rel="stylesheet" type="text/css" href="/easyui.css">
    <link rel="stylesheet" type="text/css" href="/icon.css">
    <link rel="stylesheet" type="text/css" href="/demo.css">
    <script src="/jquery.min.js"></script>
    <script src="/jquery.easyui.min.js"></script>
</head>
<body>
<input id="cc" value="01">
<script type="text/javascript">
    $("#cc").combotree({

        required:true
    });
    $("#cc").combotree('loadData', [{
        id: 1,
        text: 'Languages',
        children: [{
            id: 11,
            text: 'Java'
        },{
            id: 12,
            text: 'C++'
        }]
    }]);


</script>
</body>
</html>